<http://schema.org/headline>
"\u03A5\u03C0\u03B5\u03C1\u03B8\u03AD\u03B1\u03BC\u03B1 \u03C3\u03C4\u03BF Top 5 (vid)"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.sdna.gr/mpasket/eurobasket/eurobasket-2015/article/114858/ypertheama-sto-top-5-vid>